Experimental study of precursory features of CO₂ blasting-induced coal rock fracture based on grayscale and texture analysis

• Hongyu Pan,

  Roles Conceptualization, Funding acquisition, Methodology, Project administration, Supervision, Validation, Writing – review & editing

  Affiliation College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China

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• Haotian Wang ,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Software, Validation, Writing – original draft, Writing – review & editing

  * E-mail: wht@stu.xust.edu.cn

  Affiliation College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China

  https://orcid.org/0000-0003-4078-8704

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• Kang Wang,

  Roles Data curation, Formal analysis, Validation, Writing – original draft, Writing – review & editing

  Affiliation College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China

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• Tianjun Zhang,

  Roles Funding acquisition, Resources, Visualization

  Affiliation College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China

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• Bing Ji

  Roles Investigation

  Affiliation College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China

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